package iotest;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class Copy2 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis=new FileInputStream("");
        FileOutputStream fos=new FileOutputStream("");
        long start =System.currentTimeMillis();
        byte[]data=new byte[1024*10];
        int len=data.length;
        while ((len=fis.read(data))!=-1){
            fos.write(data,0,len);
        }
        long end=System.currentTimeMillis();
        System.out.println("复制完毕，耗时："+(end-start)+"ms");
        fis.close();
        fos.close();

    }
}
